<template>
  <div class="rule-container">
    <div class="create-container">
      <el-button type="primary" @click="addCarRule">增加停车计费规则</el-button>
      <el-button @click="exportExcel">导出Excel</el-button>
    </div>

    <div clang="table">
      <el-table :data="ruleList" style="width: 100%">
        <el-table-column type="index" label="序号"> </el-table-column>
        <el-table-column prop="ruleNumber" label="计费规则编号">
        </el-table-column>
        <el-table-column prop="ruleName" label="计费规则名称">
        </el-table-column>
        <el-table-column prop="freeDuration" label="免费时长(分钟)">
        </el-table-column>
        <el-table-column prop="chargeCeiling" label="收费上线(元)">
        </el-table-column>
        <el-table-column label="计费方式">
          <template #default="scope">
            {{ formatChargeType(scope.row.chargeType) }}
          </template>
        </el-table-column>
        <el-table-column prop="ruleNameView" label="计费规则">
        </el-table-column>
        <el-table-column label="操作">
          <template #default="scope">
            <el-button size="mini" type="text">编辑</el-button>
            <el-button size="mini" type="text">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        layout="prev, pager, next"
        :total="total"
        :page-size="params.pageSize"
        @current-change="pageChange"
      ></el-pagination>

      <!-- 弹框 -->
      <el-dialog :visible="dialogVisible" width="680px" title="新增规则">
        <!-- 表单接口 -->
        <div class="form-container">
          <el-form
            ref="addForm"
            :model="addForm"
            :rules="addFormRules"
            label-position="top"
          >
            <el-form-item label="计费规则编号" prop="ruleNumber">
              <el-input v-model="addForm.ruleNumber" />
            </el-form-item>
            <el-form-item label="计费规则名称" prop="ruleName">
              <el-input v-model="addForm.ruleName" />
            </el-form-item>
            <el-form-item label="计费方式" prop="chargeType">
              <el-radio-group v-model="addForm.chargeType" size="small">
                <el-radio label="duration" border>时长收费</el-radio>
                <el-radio label="turn" border>按次收费</el-radio>
                <el-radio label="partition" border>分段收费</el-radio>
              </el-radio-group>
            </el-form-item>
            <div class="flex-container">
              <el-form-item label="免费时长">
                <el-input v-model="addForm.freeDuration" />
              </el-form-item>
              <el-form-item label="收费上限">
                <el-input v-model="addForm.chargeCeiling" />
              </el-form-item>
            </div>
            <el-form-item label="计费规则">
              <!-- 按时长收费区域 -->
              <div v-if="addForm.chargeType === 'duration'" class="duration">
                每
                <el-input v-model="addForm.durationTime" class="input-box" />
                小时
                <el-input v-model="addForm.durationPrice" class="input-box" />
                元
              </div>
              <!-- 按次收费区域 -->
              <div v-if="addForm.chargeType === 'turn'" class="turn">
                每次
                <el-input v-model="addForm.turnPrice" class="input-box" /> 元
              </div>
              <!-- 按分段收费区域 -->
              <div v-if="addForm.chargeType === 'partition'" class="partition">
                <div class="item">
                  <el-input
                    v-model="addForm.partitionFrameTime"
                    class="input-box"
                  />小时内,每小时收费<el-input
                    v-model="addForm.partitionFramePrice"
                    class="input-box"
                  />
                  元
                </div>
                <div class="item">
                  每增加<el-input
                    v-model="addForm.partitionIncreaseTime"
                    class="input-box"
                  />小时,增加<el-input
                    v-model="addForm.partitionIncreasePrice"
                    class="input-box"
                  />
                  元
                </div>
              </div>
            </el-form-item>
          </el-form>
        </div>
        <template #footer>
          <el-button size="mini" @click="dialogVisible = false"
            >取 消</el-button
          >
          <el-button size="mini" type="primary" @click="confirmAdd"
            >确 定</el-button
          >
        </template>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { getRuleListAPI, createRuleAPI } from "@/api/rule";
import { utils, writeFileXLSX } from "xlsx";

export default {
  name: "Building",
  data() {
    return {
      ruleList: [],
      params: {
        page: 1,
        pageSize: 2,
      },
      total: 0,
      dialogVisible: false,
      addForm: {
        ruleNumber: "", // 计费规则编号
        ruleName: "", // 计费规则名称
        chargeType: "duration", // 计费规则类型 duration / turn / partition
        chargeCeiling: null,
        freeDuration: null,
        // 时长计费独有字段
        durationTime: null, // 时长计费单位时间
        durationPrice: null, // 时长计费单位价格
        durationType: "hour",
        // 按次收费独有字段
        turnPrice: null,
        // 分段计费独有字段
        partitionFrameTime: null, // 段内时间
        partitionFramePrice: null, // 段内费用
        partitionIncreaseTime: null, // 超出时间
        partitionIncreasePrice: null, // 超出费为收费价钱
      }, // 计费规则表单对象
      addFormRules: {
        ruleNumber: [
          {
            required: true,
            message: "请输入规则编号",
            trigger: "blur",
          },
        ],
        ruleName: [
          {
            required: true,
            message: "请输入规则名称",
            trigger: "blur",
          },
        ],
        chargeType: [
          {
            required: true,
            message: "请选择收费类型",
            trigger: "blur",
          },
        ],
      }, // 计费规则校验规则对象
    };
  },
  mounted() {
    this.getRuleList();
  },
  methods: {
    confirmAdd() {
      this.$refs.addForm.validate(async (valid) => {
        if (valid) {
          await createRuleAPI(this.addForm);
          this.getRuleList();
          this.dialogVisible = false;
        }
      });
    },
    addCarRule() {
      this.dialogVisible = true;
    },
    formatChargeType(type) {
      const TYPEMAP = {
        duration: "按时长收费",
        turn: "按次收费",
        partition: "分段收费",
      };
      return TYPEMAP[type];
    },
    async getRuleList() {
      const res = await getRuleListAPI(this.params);
      this.ruleList = res.data.rows;
      this.total = res.data.total;
    },
    pageChange(page) {
      this.params.page = page;
      this.getRuleList();
    },
    async exportExcel() {
      // 创建一个新的工作簿
      const workbook = utils.book_new();
      // 创建一个工作表 要求一个对象数组格式
      // 获取当前要导出的table数据
      const res = await getRuleListAPI(this.params);
      // 按照需求调整顺序
      const tableHeaderKeys = [
        "ruleNumber",
        "ruleName",
        "freeDuration",
        "chargeCeiling",
        "chargeType",
        "ruleNameView",
      ];
      const sheetData = res.data.rows.map((item) => {
        const newObj = {}; // 存放正确顺序的key-value
        tableHeaderKeys.forEach((key) => {
          if (key === "chargeType") {
            newObj[key] = this.formatChargeType(item[key]);
          } else {
            newObj[key] = item[key];
          }
        });
        return newObj;
      });
      const worksheet = utils.json_to_sheet(sheetData);

      // 把工作表添加到工作簿  Data为工作表名称
      utils.book_append_sheet(workbook, worksheet, "Data");
      // 改写表头
      const tableHeaderValues = [
        "计费规则编号",
        "计费规则名称",
        "免费时长(分钟)",
        "收费上线(元)",
        "计费方式",
        "计费规则",
      ];
      utils.sheet_add_aoa(worksheet, [tableHeaderValues], { origin: "A1" });
      // 导出方法进行导出
      writeFileXLSX(workbook, "SheetJSVueAoO.xlsx");
    },
  },
};
</script>

<style lang="scss" scoped>
.rule-container {
  padding: 20px;
  background-color: #fff;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, 0.9);
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}
.create-container {
  margin: 10px 0px;
}
.page-container {
  padding: 4px 0px;
  text-align: right;
}
.form-container {
  padding: 0px 80px;
}
</style>